protein feedstuff的用法和样例：
例句
- Recently protein feeds for animals have been developed by growing yeast in a petroleum based stock.
最近已经研制出一种动物食用的蛋白质饲料，它是用石油作为基本原料加上酵母而制成的。 - A technology for production of vinegar residue protein feeds by the solid-state fermentation in a bioreactor was studied.
对利用自行研制的反应器进行固态发酵醋糟生产蛋白质饲料的工艺进行了研究。
